DF2266TF13V Renesas Electronics America, DF2266TF13V Datasheet - Page 104
DF2266TF13V
Manufacturer Part Number
DF2266TF13V
Description
IC H8S/2266 MCU FLASH 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2266TF20V.pdf
(712 pages)
Specifications of DF2266TF13V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
13MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
LCD, POR, PWM, WDT
Number Of I /o
67
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 2 CPU
• Consider the following example, where only bit 4 in P1DDR of port 1 is cleared.
Rev. 5.00 Sep. 01, 2009 Page 52 of 656
REJ09B0071-0500
I/O
P1DDR
RAM0
P1DDR is an 8-bit register that consists of write-only bits and specifies input or output for
each pin of port 1. Reading of these bits is not valid, since values read are specified as
undefined.
In the following example, the BCLR instruction specifies P14 as an input. Start by writing the
initial value H'F0, which will be written to P1DDR, to the work area (RAM0) in memory.
MOV.B
MOV.B
MOV.B
P14 is now an output. To switch P14 from an output to an input, the value of bit 4 in P1DDR
has to be changed from 1 to 0 (H'F0 to H'E0). Clear bit 4 of RAM0 using the BCLR
instruction.
BCLR
Figure 2.14 Flowchart of Access Method for Registers with Write-Only Bits
Output
#H'F0, R0L
R0L, @RAM0
R0L, @P1DDR
#4, @RAM0
P17
1
1
(data-transfer and bit-manipulation
register including write-only bit
register including write-only bit
Write initial data to work area
Copy data from work area to
Copy data from work area to
Access data in work area
instructions can be used)
Output
P16
1
1
Output
P15
1
1
Output
P14
1
1
Writing initial value
Changing value of register
including write-only bit
Input
P13
0
0
Input
P12
0
0
Input
P11
0
0
Input
P10
0
0
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